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-rw-r--r--drivers/s390/block/dasd_eckd.c1
-rw-r--r--drivers/s390/char/keyboard.c4
-rw-r--r--drivers/s390/char/keyboard.h2
-rw-r--r--drivers/s390/char/tty3270.c14
-rw-r--r--drivers/s390/cio/chsc_sch.c17
-rw-r--r--drivers/s390/cio/cio.c43
-rw-r--r--drivers/s390/cio/cio.h11
-rw-r--r--drivers/s390/cio/css.c6
-rw-r--r--drivers/s390/cio/css.h10
-rw-r--r--drivers/s390/cio/device.c23
-rw-r--r--drivers/s390/cio/io_sch.h114
-rw-r--r--drivers/s390/cio/ioasm.h34
-rw-r--r--drivers/s390/cio/orb.h67
-rw-r--r--drivers/s390/net/qeth_core.h4
-rw-r--r--drivers/s390/net/qeth_core_main.c57
-rw-r--r--drivers/s390/net/qeth_l2_main.c45
-rw-r--r--drivers/s390/net/qeth_l3_main.c60
-rw-r--r--drivers/s390/scsi/zfcp_aux.c80
-rw-r--r--drivers/s390/scsi/zfcp_def.h15
-rw-r--r--drivers/s390/scsi/zfcp_erp.c4
-rw-r--r--drivers/s390/scsi/zfcp_ext.h9
-rw-r--r--drivers/s390/scsi/zfcp_fc.c333
-rw-r--r--drivers/s390/scsi/zfcp_fc.h124
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c27
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c71
25 files changed, 592 insertions, 583 deletions
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index a9fe23d5bd0..379d8592bc6 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -2648,6 +2648,7 @@ static struct dasd_ccw_req *dasd_eckd_build_cp_tpm_track(
dasd_sfree_request(cqr, startdev);
return ERR_PTR(-EAGAIN);
}
+ len_to_track_end = 0;
/*
* A tidaw can address 4k of memory, but must not cross page boundaries
* We can let the block layer handle this by setting
diff --git a/drivers/s390/char/keyboard.c b/drivers/s390/char/keyboard.c
index 5ad44daef73..80658819248 100644
--- a/drivers/s390/char/keyboard.c
+++ b/drivers/s390/char/keyboard.c
@@ -455,9 +455,7 @@ do_kdgkb_ioctl(struct kbd_data *kbd, struct kbsentry __user *u_kbs,
return 0;
}
-int
-kbd_ioctl(struct kbd_data *kbd, struct file *file,
- unsigned int cmd, unsigned long arg)
+int kbd_ioctl(struct kbd_data *kbd, unsigned int cmd, unsigned long arg)
{
void __user *argp;
unsigned int ct;
diff --git a/drivers/s390/char/keyboard.h b/drivers/s390/char/keyboard.h
index 5ccfe9cf126..7e736aaeae6 100644
--- a/drivers/s390/char/keyboard.h
+++ b/drivers/s390/char/keyboard.h
@@ -36,7 +36,7 @@ void kbd_free(struct kbd_data *);
void kbd_ascebc(struct kbd_data *, unsigned char *);
void kbd_keycode(struct kbd_data *, unsigned int);
-int kbd_ioctl(struct kbd_data *, struct file *, unsigned int, unsigned long);
+int kbd_ioctl(struct kbd_data *, unsigned int, unsigned long);
/*
* Helper Functions.
diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c
index 911822db614..d33554df2b0 100644
--- a/drivers/s390/char/tty3270.c
+++ b/drivers/s390/char/tty3270.c
@@ -1718,9 +1718,8 @@ tty3270_wait_until_sent(struct tty_struct *tty, int timeout)
{
}
-static int
-tty3270_ioctl(struct tty_struct *tty, struct file *file,
- unsigned int cmd, unsigned long arg)
+static int tty3270_ioctl(struct tty_struct *tty, unsigned int cmd,
+ unsigned long arg)
{
struct tty3270 *tp;
@@ -1729,13 +1728,12 @@ tty3270_ioctl(struct tty_struct *tty, struct file *file,
return -ENODEV;
if (tty->flags & (1 << TTY_IO_ERROR))
return -EIO;
- return kbd_ioctl(tp->kbd, file, cmd, arg);
+ return kbd_ioctl(tp->kbd, cmd, arg);
}
#ifdef CONFIG_COMPAT
-static long
-tty3270_compat_ioctl(struct tty_struct *tty, struct file *file,
- unsigned int cmd, unsigned long arg)
+static long tty3270_compat_ioctl(struct tty_struct *tty,
+ unsigned int cmd, unsigned long arg)
{
struct tty3270 *tp;
@@ -1744,7 +1742,7 @@ tty3270_compat_ioctl(struct tty_struct *tty, struct file *file,
return -ENODEV;
if (tty->flags & (1 << TTY_IO_ERROR))
return -EIO;
- return kbd_ioctl(tp->kbd, file, cmd, (unsigned long)compat_ptr(arg));
+ return kbd_ioctl(tp->kbd, cmd, (unsigned long)compat_ptr(arg));
}
#endif
diff --git a/drivers/s390/cio/chsc_sch.c b/drivers/s390/cio/chsc_sch.c
index 3c3f3ffe217..e950f1ad4dd 100644
--- a/drivers/s390/cio/chsc_sch.c
+++ b/drivers/s390/cio/chsc_sch.c
@@ -50,7 +50,7 @@ MODULE_LICENSE("GPL");
static void chsc_subchannel_irq(struct subchannel *sch)
{
- struct chsc_private *private = sch->private;
+ struct chsc_private *private = dev_get_drvdata(&sch->dev);
struct chsc_request *request = private->request;
struct irb *irb = (struct irb *)&S390_lowcore.irb;
@@ -80,13 +80,14 @@ static int chsc_subchannel_probe(struct subchannel *sch)
private = kzalloc(sizeof(*private), GFP_KERNEL);
if (!private)
return -ENOMEM;
+ dev_set_drvdata(&sch->dev, private);
ret = cio_enable_subchannel(sch, (u32)(unsigned long)sch);
if (ret) {
CHSC_MSG(0, "Failed to enable 0.%x.%04x: %d\n",
sch->schid.ssid, sch->schid.sch_no, ret);
+ dev_set_drvdata(&sch->dev, NULL);
kfree(private);
} else {
- sch->private = private;
if (dev_get_uevent_suppress(&sch->dev)) {
dev_set_uevent_suppress(&sch->dev, 0);
kobject_uevent(&sch->dev.kobj, KOBJ_ADD);
@@ -100,8 +101,8 @@ static int chsc_subchannel_remove(struct subchannel *sch)
struct chsc_private *private;
cio_disable_subchannel(sch);
- private = sch->private;
- sch->private = NULL;
+ private = dev_get_drvdata(&sch->dev);
+ dev_set_drvdata(&sch->dev, NULL);
if (private->request) {
complete(&private->request->completion);
put_device(&sch->dev);
@@ -147,7 +148,10 @@ static struct css_device_id chsc_subchannel_ids[] = {
MODULE_DEVICE_TABLE(css, chsc_subchannel_ids);
static struct css_driver chsc_subchannel_driver = {
- .owner = THIS_MODULE,
+ .drv = {
+ .owner = THIS_MODULE,
+ .name = "chsc_subchannel",
+ },
.subchannel_type = chsc_subchannel_ids,
.irq = chsc_subchannel_irq,
.probe = chsc_subchannel_probe,
@@ -157,7 +161,6 @@ static struct css_driver chsc_subchannel_driver = {
.freeze = chsc_subchannel_freeze,
.thaw = chsc_subchannel_restore,
.restore = chsc_subchannel_restore,
- .name = "chsc_subchannel",
};
static int __init chsc_init_dbfs(void)
@@ -241,7 +244,7 @@ static int chsc_async(struct chsc_async_area *chsc_area,
chsc_area->header.key = PAGE_DEFAULT_KEY >> 4;
while ((sch = chsc_get_next_subchannel(sch))) {
spin_lock(sch->lock);
- private = sch->private;
+ private = dev_get_drvdata(&sch->dev);
if (private->request) {
spin_unlock(sch->lock);
ret = -EBUSY;
diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c
index 430f875006f..cbde448f994 100644
--- a/drivers/s390/cio/cio.c
+++ b/drivers/s390/cio/cio.c
@@ -84,29 +84,14 @@ out_unregister:
arch_initcall (cio_debug_init);
-int
-cio_set_options (struct subchannel *sch, int flags)
+int cio_set_options(struct subchannel *sch, int flags)
{
- sch->options.suspend = (flags & DOIO_ALLOW_SUSPEND) != 0;
- sch->options.prefetch = (flags & DOIO_DENY_PREFETCH) != 0;
- sch->options.inter = (flags & DOIO_SUPPRESS_INTER) != 0;
- return 0;
-}
+ struct io_subchannel_private *priv = to_io_private(sch);
-/* FIXME: who wants to use this? */
-int
-cio_get_options (struct subchannel *sch)
-{
- int flags;
-
- flags = 0;
- if (sch->options.suspend)
- flags |= DOIO_ALLOW_SUSPEND;
- if (sch->options.prefetch)
- flags |= DOIO_DENY_PREFETCH;
- if (sch->options.inter)
- flags |= DOIO_SUPPRESS_INTER;
- return flags;
+ priv->options.suspend = (flags & DOIO_ALLOW_SUSPEND) != 0;
+ priv->options.prefetch = (flags & DOIO_DENY_PREFETCH) != 0;
+ priv->options.inter = (flags & DOIO_SUPPRESS_INTER) != 0;
+ return 0;
}
static int
@@ -139,21 +124,21 @@ cio_start_key (struct subchannel *sch, /* subchannel structure */
__u8 lpm, /* logical path mask */
__u8 key) /* storage key */
{
+ struct io_subchannel_private *priv = to_io_private(sch);
+ union orb *orb = &priv->orb;
int ccode;
- union orb *orb;
CIO_TRACE_EVENT(5, "stIO");
CIO_TRACE_EVENT(5, dev_name(&sch->dev));
- orb = &to_io_private(sch)->orb;
memset(orb, 0, sizeof(union orb));
/* sch is always under 2G. */
orb->cmd.intparm = (u32)(addr_t)sch;
orb->cmd.fmt = 1;
- orb->cmd.pfch = sch->options.prefetch == 0;
- orb->cmd.spnd = sch->options.suspend;
- orb->cmd.ssic = sch->options.suspend && sch->options.inter;
+ orb->cmd.pfch = priv->options.prefetch == 0;
+ orb->cmd.spnd = priv->options.suspend;
+ orb->cmd.ssic = priv->options.suspend && priv->options.inter;
orb->cmd.lpm = (lpm != 0) ? lpm : sch->lpm;
#ifdef CONFIG_64BIT
/*
@@ -630,11 +615,7 @@ void __irq_entry do_IRQ(struct pt_regs *regs)
irb = (struct irb *)&S390_lowcore.irb;
do {
kstat_cpu(smp_processor_id()).irqs[IO_INTERRUPT]++;
- /*
- * Non I/O-subchannel thin interrupts are processed differently
- */
- if (tpi_info->adapter_IO == 1 &&
- tpi_info->int_type == IO_INTERRUPT_TYPE) {
+ if (tpi_info->adapter_IO) {
do_adapter_IO(tpi_info->isc);
continue;
}
diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index bf7f80f5a33..155a82bcb9e 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -84,13 +84,6 @@ struct subchannel {
SUBCHANNEL_TYPE_MSG = 2,
SUBCHANNEL_TYPE_ADM = 3,
} st; /* subchannel type */
-
- struct {
- unsigned int suspend:1; /* allow suspend */
- unsigned int prefetch:1;/* deny prefetch */
- unsigned int inter:1; /* suppress intermediate interrupts */
- } __attribute__ ((packed)) options;
-
__u8 vpm; /* verified path mask */
__u8 lpm; /* logical path mask */
__u8 opm; /* operational path mask */
@@ -99,14 +92,11 @@ struct subchannel {
struct chsc_ssd_info ssd_info; /* subchannel description */
struct device dev; /* entry in device tree */
struct css_driver *driver;
- void *private; /* private per subchannel type data */
enum sch_todo todo;
struct work_struct todo_work;
struct schib_config config;
} __attribute__ ((aligned(8)));
-#define IO_INTERRUPT_TYPE 0 /* I/O interrupt type */
-
#define to_subchannel(n) container_of(n, struct subchannel, dev)
extern int cio_validate_subchannel (struct subchannel *, struct subchannel_id);
@@ -120,7 +110,6 @@ extern int cio_start (struct subchannel *, struct ccw1 *, __u8);
extern int cio_start_key (struct subchannel *, struct ccw1 *, __u8, __u8);
extern int cio_cancel (struct subchannel *);
extern int cio_set_options (struct subchannel *, int);
-extern int cio_get_options (struct subchannel *);
extern int cio_update_schib(struct subchannel *sch);
extern int cio_commit_config(struct subchannel *sch);
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 24d8e97355b..c47b25fd3f4 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -35,6 +35,7 @@ int css_init_done = 0;
int max_ssid;
struct channel_subsystem *channel_subsystems[__MAX_CSSID + 1];
+static struct bus_type css_bus_type;
int
for_each_subchannel(int(*fn)(struct subchannel_id, void *), void *data)
@@ -1214,7 +1215,7 @@ static const struct dev_pm_ops css_pm_ops = {
.restore = css_pm_restore,
};
-struct bus_type css_bus_type = {
+static struct bus_type css_bus_type = {
.name = "css",
.match = css_bus_match,
.probe = css_probe,
@@ -1233,9 +1234,7 @@ struct bus_type css_bus_type = {
*/
int css_driver_register(struct css_driver *cdrv)
{
- cdrv->drv.name = cdrv->name;
cdrv->drv.bus = &css_bus_type;
- cdrv->drv.owner = cdrv->owner;
return driver_register(&cdrv->drv);
}
EXPORT_SYMBOL_GPL(css_driver_register);
@@ -1253,4 +1252,3 @@ void css_driver_unregister(struct css_driver *cdrv)
EXPORT_SYMBOL_GPL(css_driver_unregister);
MODULE_LICENSE("GPL");
-EXPORT_SYMBOL(css_bus_type);
diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 7e37886de23..80ebdddf774 100644
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -63,7 +63,6 @@ struct subchannel;
struct chp_link;
/**
* struct css_driver - device driver for subchannels
- * @owner: owning module
* @subchannel_type: subchannel type supported by this driver
* @drv: embedded device driver structure
* @irq: called on interrupts
@@ -78,10 +77,8 @@ struct chp_link;
* @thaw: undo work done in @freeze
* @restore: callback for restoring after hibernation
* @settle: wait for asynchronous work to finish
- * @name: name of the device driver
*/
struct css_driver {
- struct module *owner;
struct css_device_id *subchannel_type;
struct device_driver drv;
void (*irq)(struct subchannel *);
@@ -96,16 +93,10 @@ struct css_driver {
int (*thaw) (struct subchannel *);
int (*restore)(struct subchannel *);
int (*settle)(void);
- const char *name;
};
#define to_cssdriver(n) container_of(n, struct css_driver, drv)
-/*
- * all css_drivers have the css_bus_type
- */
-extern struct bus_type css_bus_type;
-
extern int css_driver_register(struct css_driver *);
extern void css_driver_unregister(struct css_driver *);
@@ -140,7 +131,6 @@ struct channel_subsystem {
};
#define to_css(dev) container_of(dev, struct channel_subsystem, device)
-extern struct bus_type css_bus_type;
extern struct channel_subsystem *channel_subsystems[];
/* Helper functions to build lists for the slow path. */
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index b7eaff9ca19..e50b12163af 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -172,9 +172,11 @@ static int io_subchannel_settle(void)
}
static struct css_driver io_subchannel_driver = {
- .owner = THIS_MODULE,
+ .drv = {
+ .owner = THIS_MODULE,
+ .name = "io_subchannel",
+ },
.subchannel_type = io_subchannel_ids,
- .name = "io_subchannel",
.irq = io_subchannel_irq,
.sch_event = io_subchannel_sch_event,
.chp_event = io_subchannel_chp_event,
@@ -1030,6 +1032,7 @@ static void io_subchannel_init_fields(struct subchannel *sch)
*/
static int io_subchannel_probe(struct subchannel *sch)
{
+ struct io_subchannel_private *io_priv;
struct ccw_device *cdev;
int rc;
@@ -1073,10 +1076,11 @@ static int io_subchannel_probe(struct subchannel *sch)
if (rc)
goto out_schedule;
/* Allocate I/O subchannel private data. */
- sch->private = kzalloc(sizeof(struct io_subchannel_private),
- GFP_KERNEL | GFP_DMA);
- if (!sch->private)
+ io_priv = kzalloc(sizeof(*io_priv), GFP_KERNEL | GFP_DMA);
+ if (!io_priv)
goto out_schedule;
+
+ set_io_private(sch, io_priv);
css_schedule_eval(sch->schid);
return 0;
@@ -1090,6 +1094,7 @@ out_schedule:
static int
io_subchannel_remove (struct subchannel *sch)
{
+ struct io_subchannel_private *io_priv = to_io_private(sch);
struct ccw_device *cdev;
cdev = sch_get_cdev(sch);
@@ -1099,11 +1104,12 @@ io_subchannel_remove (struct subchannel *sch)
/* Set ccw device to not operational and drop reference. */
spin_lock_irq(cdev->ccwlock);
sch_set_cdev(sch, NULL);
+ set_io_private(sch, NULL);
cdev->private->state = DEV_STATE_NOT_OPER;
spin_unlock_irq(cdev->ccwlock);
ccw_device_unregister(cdev);
out_free:
- kfree(sch->private);
+ kfree(io_priv);
sysfs_remove_group(&sch->dev.kobj, &io_subchannel_attr_group);
return 0;
}
@@ -1553,11 +1559,12 @@ spinlock_t * cio_get_console_lock(void)
static int ccw_device_console_enable(struct ccw_device *cdev,
struct subchannel *sch)
{
+ struct io_subchannel_private *io_priv = cio_get_console_priv();
int rc;
/* Attach subchannel private data. */
- sch->private = cio_get_console_priv();
- memset(sch->private, 0, sizeof(struct io_subchannel_private));
+ memset(io_priv, 0, sizeof(*io_priv));
+ set_io_private(sch, io_priv);
io_subchannel_init_fields(sch);
rc = cio_commit_config(sch);
if (rc)
diff --git a/drivers/s390/cio/io_sch.h b/drivers/s390/cio/io_sch.h
index d024d2c2189..ba31ad88f4f 100644
--- a/drivers/s390/cio/io_sch.h
+++ b/drivers/s390/cio/io_sch.h
@@ -5,68 +5,36 @@
#include <asm/schid.h>
#include <asm/ccwdev.h>
#include "css.h"
-
-/*
- * command-mode operation request block
- */
-struct cmd_orb {
- u32 intparm; /* interruption parameter */
- u32 key : 4; /* flags, like key, suspend control, etc. */
- u32 spnd : 1; /* suspend control */
- u32 res1 : 1; /* reserved */
- u32 mod : 1; /* modification control */
- u32 sync : 1; /* synchronize control */
- u32 fmt : 1; /* format control */
- u32 pfch : 1; /* prefetch control */
- u32 isic : 1; /* initial-status-interruption control */
- u32 alcc : 1; /* address-limit-checking control */
- u32 ssic : 1; /* suppress-suspended-interr. control */
- u32 res2 : 1; /* reserved */
- u32 c64 : 1; /* IDAW/QDIO 64 bit control */
- u32 i2k : 1; /* IDAW 2/4kB block size control */
- u32 lpm : 8; /* logical path mask */
- u32 ils : 1; /* incorrect length */
- u32 zero : 6; /* reserved zeros */
- u32 orbx : 1; /* ORB extension control */
- u32 cpa; /* channel program address */
-} __attribute__ ((packed, aligned(4)));
-
-/*
- * transport-mode operation request block
- */
-struct tm_orb {
- u32 intparm;
- u32 key:4;
- u32 :9;
- u32 b:1;
- u32 :2;
- u32 lpm:8;
- u32 :7;
- u32 x:1;
- u32 tcw;
- u32 prio:8;
- u32 :8;
- u32 rsvpgm:8;
- u32 :8;
- u32 :32;
- u32 :32;
- u32 :32;
- u32 :32;
-} __attribute__ ((packed, aligned(4)));
-
-union orb {
- struct cmd_orb cmd;
- struct tm_orb tm;
-} __attribute__ ((packed, aligned(4)));
+#include "orb.h"
struct io_subchannel_private {
union orb orb; /* operation request block */
struct ccw1 sense_ccw; /* static ccw for sense command */
-} __attribute__ ((aligned(8)));
+ struct ccw_device *cdev;/* pointer to the child ccw device */
+ struct {
+ unsigned int suspend:1; /* allow suspend */
+ unsigned int prefetch:1;/* deny prefetch */
+ unsigned int inter:1; /* suppress intermediate interrupts */
+ } __packed options;
+} __aligned(8);
-#define to_io_private(n) ((struct io_subchannel_private *)n->private)
-#define sch_get_cdev(n) (dev_get_drvdata(&n->dev))
-#define sch_set_cdev(n, c) (dev_set_drvdata(&n->dev, c))
+#define to_io_private(n) ((struct io_subchannel_private *) \
+ dev_get_drvdata(&(n)->dev))
+#define set_io_private(n, p) (dev_set_drvdata(&(n)->dev, p))
+
+static inline struct ccw_device *sch_get_cdev(struct subchannel *sch)
+{
+ struct io_subchannel_private *priv = to_io_private(sch);
+ return priv ? priv->cdev : NULL;
+}
+
+static inline void sch_set_cdev(struct subchannel *sch,
+ struct ccw_device *cdev)
+{
+ struct io_subchannel_private *priv = to_io_private(sch);
+ if (priv)
+ priv->cdev = cdev;
+}
#define MAX_CIWS 8
@@ -191,23 +159,6 @@ struct ccw_device_private {
void *cmb_wait; /* deferred cmb enable/disable */
};
-static inline int ssch(struct subchannel_id schid, union orb *addr)
-{
- register struct subchannel_id reg1 asm("1") = schid;
- int ccode = -EIO;
-
- asm volatile(
- " ssch 0(%2)\n"
- "0: ipm %0\n"
- " srl %0,28\n"
- "1:\n"
- EX_TABLE(0b, 1b)
- : "+d" (ccode)
- : "d" (reg1), "a" (addr), "m" (*addr)
- : "cc", "memory");
- return ccode;
-}
-
static inline int rsch(struct subchannel_id schid)
{
register struct subchannel_id reg1 asm("1") = schid;
@@ -223,21 +174,6 @@ static inline int rsch(struct subchannel_id schid)
return ccode;
}
-static inline int csch(struct subchannel_id schid)
-{
- register struct subchannel_id reg1 asm("1") = schid;
- int ccode;
-
- asm volatile(
- " csch\n"
- " ipm %0\n"
- " srl %0,28"
- : "=d" (ccode)
- : "d" (reg1)
- : "cc");
- return ccode;
-}
-
static inline int hsch(struct subchannel_id schid)
{
register struct subchannel_id reg1 asm("1") = schid;
diff --git a/drivers/s390/cio/ioasm.h b/drivers/s390/cio/ioasm.h
index fac06155773..4d80fc67a06 100644
--- a/drivers/s390/cio/ioasm.h
+++ b/drivers/s390/cio/ioasm.h
@@ -3,6 +3,8 @@
#include <asm/chpid.h>
#include <asm/schid.h>
+#include "orb.h"
+#include "cio.h"
/*
* TPI info structure
@@ -87,6 +89,38 @@ static inline int tsch(struct subchannel_id schid, struct irb *addr)
return ccode;
}
+static inline int ssch(struct subchannel_id schid, union orb *addr)
+{
+ register struct subchannel_id reg1 asm("1") = schid;
+ int ccode = -EIO;
+
+ asm volatile(
+ " ssch 0(%2)\n"
+ "0: ipm %0\n"
+ " srl %0,28\n"
+ "1:\n"
+ EX_TABLE(0b, 1b)
+ : "+d" (ccode)
+ : "d" (reg1), "a" (addr), "m" (*addr)
+ : "cc", "memory");
+ return ccode;
+}
+
+static inline int csch(struct subchannel_id schid)
+{
+ register struct subchannel_id reg1 asm("1") = schid;
+ int ccode;
+
+ asm volatile(
+ " csch\n"
+ " ipm %0\n"
+ " srl %0,28"
+ : "=d" (ccode)
+ : "d" (reg1)
+ : "cc");
+ return ccode;
+}
+
static inline int tpi(struct tpi_info *addr)
{
int ccode;
diff --git a/drivers/s390/cio/orb.h b/drivers/s390/cio/orb.h
new file mode 100644
index 00000000000..45a9865c2b3
--- /dev/null
+++ b/drivers/s390/cio/orb.h
@@ -0,0 +1,67 @@
+/*
+ * Orb related data structures.
+ *
+ * Copyright IBM Corp. 2007, 2011
+ *
+ * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
+ * Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
+ * Sebastian Ott <sebott@linux.vnet.ibm.com>
+ */
+
+#ifndef S390_ORB_H
+#define S390_ORB_H
+
+/*
+ * Command-mode operation request block
+ */
+struct cmd_orb {
+ u32 intparm; /* interruption parameter */
+ u32 key:4; /* flags, like key, suspend control, etc. */
+ u32 spnd:1; /* suspend control */
+ u32 res1:1; /* reserved */
+ u32 mod:1; /* modification control */
+ u32 sync:1; /* synchronize control */
+ u32 fmt:1; /* format control */
+ u32 pfch:1; /* prefetch control */
+ u32 isic:1; /* initial-status-interruption control */
+ u32 alcc:1; /* address-limit-checking control */
+ u32 ssic:1; /* suppress-suspended-interr. control */
+ u32 res2:1; /* reserved */
+ u32 c64:1; /* IDAW/QDIO 64 bit control */
+ u32 i2k:1; /* IDAW 2/4kB block size control */
+ u32 lpm:8; /* logical path mask */
+ u32 ils:1; /* incorrect length */
+ u32 zero:6; /* reserved zeros */
+ u32 orbx:1; /* ORB extension control */
+ u32 cpa; /* channel program address */
+} __packed __aligned(4);
+
+/*
+ * Transport-mode operation request block
+ */
+struct tm_orb {
+ u32 intparm;
+ u32 key:4;
+ u32:9;
+ u32 b:1;
+ u32:2;
+ u32 lpm:8;
+ u32:7;
+ u32 x:1;
+ u32 tcw;
+ u32 prio:8;
+ u32:8;
+ u32 rsvpgm:8;
+ u32:8;
+ u32:32;
+ u32:32;
+ u32:32;
+ u32:32;
+} __packed __aligned(4);
+
+union orb {
+ struct cmd_orb cmd;
+ struct tm_orb tm;
+} __packed __aligned(4);
+
+#endif /* S390_ORB_H */
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index f47a714538d..af3f7b09564 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -225,7 +225,8 @@ static inline int qeth_is_ipa_enabled(struct qeth_ipa_info *ipa,
/*****************************************************************************/
#define QETH_MAX_QUEUES 4
#define QETH_IN_BUF_SIZE_DEFAULT 65536
-#define QETH_IN_BUF_COUNT_DEFAULT 16
+#define QETH_IN_BUF_COUNT_DEFAULT 64
+#define QETH_IN_BUF_COUNT_HSDEFAULT 128
#define QETH_IN_BUF_COUNT_MIN 8
#define QETH_IN_BUF_COUNT_MAX 128
#define QETH_MAX_BUFFER_ELEMENTS(card) ((card)->qdio.in_buf_size >> 12)
@@ -741,7 +742,6 @@ struct qeth_card {
/* QDIO buffer handling */
struct qeth_qdio_info qdio;
struct qeth_perf_stats perf_stats;
- int use_hard_stop;
int read_or_write_problem;
struct qeth_osn_info osn_info;
struct qeth_discipline discipline;
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index 019ae58ab91..25eef304bd4 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -302,12 +302,15 @@ static void qeth_issue_ipa_msg(struct qeth_ipa_cmd *cmd, int rc,
int com = cmd->hdr.command;
ipa_name = qeth_get_ipa_cmd_name(com);
if (rc)
- QETH_DBF_MESSAGE(2, "IPA: %s(x%X) for %s returned x%X \"%s\"\n",
- ipa_name, com, QETH_CARD_IFNAME(card),
- rc, qeth_get_ipa_msg(rc));
+ QETH_DBF_MESSAGE(2, "IPA: %s(x%X) for %s/%s returned "
+ "x%X \"%s\"\n",
+ ipa_name, com, dev_name(&card->gdev->dev),
+ QETH_CARD_IFNAME(card), rc,
+ qeth_get_ipa_msg(rc));
else
- QETH_DBF_MESSAGE(5, "IPA: %s(x%X) for %s succeeded\n",
- ipa_name, com, QETH_CARD_IFNAME(card));
+ QETH_DBF_MESSAGE(5, "IPA: %s(x%X) for %s/%s succeeded\n",
+ ipa_name, com, dev_name(&card->gdev->dev),
+ QETH_CARD_IFNAME(card));
}
static struct qeth_ipa_cmd *qeth_check_ipa_data(struct qeth_card *card,
@@ -1023,7 +1026,10 @@ static void qeth_init_qdio_info(struct qeth_card *card)
atomic_set(&card->qdio.state, QETH_QDIO_UNINITIALIZED);
/* inbound */
card->qdio.in_buf_size = QETH_IN_BUF_SIZE_DEFAULT;
- card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
+ if (card->info.type == QETH_CARD_TYPE_IQD)
+ card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_HSDEFAULT;
+ else
+ card->qdio.init_pool.buf_count = QETH_IN_BUF_COUNT_DEFAULT;
card->qdio.in_buf_pool.buf_count = card->qdio.init_pool.buf_count;
INIT_LIST_HEAD(&card->qdio.in_buf_pool.entry_list);
INIT_LIST_HEAD(&card->qdio.init_pool.entry_list);
@@ -1083,7 +1089,6 @@ static int qeth_setup_card(struct qeth_card *card)
card->data.state = CH_STATE_DOWN;
card->state = CARD_STATE_DOWN;
card->lan_online = 0;
- card->use_hard_stop = 0;
card->read_or_write_problem = 0;
card->dev = NULL;
spin_lock_init(&card->vlanlock);
@@ -1732,20 +1737,22 @@ int qeth_send_control_data(struct qeth_card *card, int len,
};
}
+ if (reply->rc == -EIO)
+ goto error;
rc = reply->rc;
qeth_put_reply(reply);
return rc;
time_err:
+ reply->rc = -ETIME;
spin_lock_irqsave(&reply->card->lock, flags);
list_del_init(&reply->list);
spin_unlock_irqrestore(&reply->card->lock, flags);
- reply->rc = -ETIME;
atomic_inc(&reply->received);
+error:
atomic_set(&card->write.irq_pending, 0);
qeth_release_buffer(iob->channel, iob);
card->write.buf_no = (card->write.buf_no + 1) % QETH_CMD_BUFFER_NO;
- wake_up(&reply->wait_q);
rc = reply->rc;
qeth_put_reply(reply);
return rc;
@@ -2490,45 +2497,19 @@ int qeth_send_ipa_cmd(struct qeth_card *card, struct qeth_cmd_buffer *iob,
}
EXPORT_SYMBOL_GPL(qeth_send_ipa_cmd);
-static int qeth_send_startstoplan(struct qeth_card *card,
- enum qeth_ipa_cmds ipacmd, enum qeth_prot_versions prot)
-{
- int rc;
- struct qeth_cmd_buffer *iob;
-
- iob = qeth_get_ipacmd_buffer(card, ipacmd, prot);
- rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
-
- return rc;
-}
-
int qeth_send_startlan(struct qeth_card *card)
{
int rc;
+ struct qeth_cmd_buffer *iob;
QETH_DBF_TEXT(SETUP, 2, "strtlan");
- rc = qeth_send_startstoplan(card, IPA_CMD_STARTLAN, 0);
+ iob = qeth_get_ipacmd_buffer(card, IPA_CMD_STARTLAN, 0);
+ rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
return rc;
}
EXPORT_SYMBOL_GPL(qeth_send_startlan);
-int qeth_send_stoplan(struct qeth_card *card)
-{
- int rc = 0;
-
- /*
- * TODO: according to the IPA format document page 14,
- * TCP/IP (we!) never issue a STOPLAN
- * is this right ?!?
- */
- QETH_DBF_TEXT(SETUP, 2, "stoplan");
-
- rc = qeth_send_startstoplan(card, IPA_CMD_STOPLAN, 0);
- return rc;
-}
-EXPORT_SYMBOL_GPL(qeth_send_stoplan);
-
int qeth_default_setadapterparms_cb(struct qeth_card *card,
struct qeth_reply *reply, unsigned long data)
{
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index ada0fe78237..6fbaacb2194 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -202,17 +202,19 @@ static void qeth_l2_add_mc(struct qeth_card *card, __u8 *mac, int vmac)
kfree(mc);
}
-static void qeth_l2_del_all_mc(struct qeth_card *card)
+static void qeth_l2_del_all_mc(struct qeth_card *card, int del)
{
struct qeth_mc_mac *mc, *tmp;
spin_lock_bh(&card->mclock);
list_for_each_entry_safe(mc, tmp, &card->mc_list, list) {
- if (mc->is_vmac)
- qeth_l2_send_setdelmac(card, mc->mc_addr,
+ if (del) {
+ if (mc->is_vmac)
+ qeth_l2_send_setdelmac(card, mc->mc_addr,
IPA_CMD_DELVMAC, NULL);
- else
- qeth_l2_send_delgroupmac(card, mc->mc_addr);
+ else
+ qeth_l2_send_delgroupmac(card, mc->mc_addr);
+ }
list_del(&mc->list);
kfree(mc);
}
@@ -288,18 +290,13 @@ static int qeth_l2_send_setdelvlan(struct qeth_card *card, __u16 i,
qeth_l2_send_setdelvlan_cb, NULL);
}
-static void qeth_l2_process_vlans(struct qeth_card *card, int clear)
+static void qeth_l2_process_vlans(struct qeth_card *card)
{
struct qeth_vlan_vid *id;
QETH_CARD_TEXT(card, 3, "L2prcvln");
spin_lock_bh(&card->vlanlock);
list_for_each_entry(id, &card->vid_list, list) {
- if (clear)
- qeth_l2_send_setdelvlan(card, id->vid,
- IPA_CMD_DELVLAN);
- else
- qeth_l2_send_setdelvlan(card, id->vid,
- IPA_CMD_SETVLAN);
+ qeth_l2_send_setdelvlan(card, id->vid, IPA_CMD_SETVLAN);
}
spin_unlock_bh(&card->vlanlock);
}
@@ -379,19 +376,11 @@ static int qeth_l2_stop_card(struct qeth_card *card, int recovery_mode)
dev_close(card->dev);
rtnl_unlock();
}
- if (!card->use_hard_stop ||
- recovery_mode) {
- __u8 *mac = &card->dev->dev_addr[0];
- rc = qeth_l2_send_delmac(card, mac);
- QETH_DBF_TEXT_(SETUP, 2, "Lerr%d", rc);
- }
+ card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED;
card->state = CARD_STATE_SOFTSETUP;
}
if (card->state == CARD_STATE_SOFTSETUP) {
- qeth_l2_process_vlans(card, 1);
- if (!card->use_hard_stop ||
- recovery_mode)
- qeth_l2_del_all_mc(card);
+ qeth_l2_del_all_mc(card, 0);
qeth_clear_ipacmd_list(card);
card->state = CARD_STATE_HARDSETUP;
}
@@ -405,7 +394,6 @@ static int qeth_l2_stop_card(struct qeth_card *card, int recovery_mode)
qeth_clear_cmd_buffers(&card->read);
qeth_clear_cmd_buffers(&card->write);
}
- card->use_hard_stop = 0;
return rc;
}
@@ -705,7 +693,7 @@ static void qeth_l2_set_multicast_list(struct net_device *dev)
if (qeth_threads_running(card, QETH_RECOVER_THREAD) &&
(card->state != CARD_STATE_UP))
return;
- qeth_l2_del_all_mc(card);
+ qeth_l2_del_all_mc(card, 1);
spin_lock_bh(&card->mclock);
netdev_for_each_mc_addr(ha, dev)
qeth_l2_add_mc(card, ha->addr, 0);
@@ -907,10 +895,8 @@ static void qeth_l2_remove_device(struct ccwgroup_device *cgdev)
qeth_set_allowed_threads(card, 0, 1);
wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
- if (cgdev->state == CCWGROUP_ONLINE) {
- card->use_hard_stop = 1;
+ if (cgdev->state == CCWGROUP_ONLINE)
qeth_l2_set_offline(cgdev);
- }
if (card->dev) {
unregister_netdev(card->dev);
@@ -1040,7 +1026,7 @@ contin:
if (card->info.type != QETH_CARD_TYPE_OSN &&
card->info.type != QETH_CARD_TYPE_OSM)
- qeth_l2_process_vlans(card, 0);
+ qeth_l2_process_vlans(card);
netif_tx_disable(card->dev);
@@ -1076,7 +1062,6 @@ contin:
return 0;
out_remove:
- card->use_hard_stop = 1;
qeth_l2_stop_card(card, 0);
ccw_device_set_offline(CARD_DDEV(card));
ccw_device_set_offline(CARD_WDEV(card));
@@ -1144,7 +1129,6 @@ static int qeth_l2_recover(void *ptr)
QETH_CARD_TEXT(card, 2, "recover2");
dev_warn(&card->gdev->dev,
"A recovery process has been started for the device\n");
- card->use_hard_stop = 1;
__qeth_l2_set_offline(card->gdev, 1);
rc = __qeth_l2_set_online(card->gdev, 1);
if (!rc)
@@ -1191,7 +1175,6 @@ static int qeth_l2_pm_suspend(struct ccwgroup_device *gdev)
if (gdev->state == CCWGROUP_OFFLINE)
return 0;
if (card->state == CARD_STATE_UP) {
- card->use_hard_stop = 1;
__qeth_l2_set_offline(card->gdev, 1);
} else
__qeth_l2_set_offline(card->gdev, 0);
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index d09b0c44fc3..142e5f6ef4f 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -510,8 +510,7 @@ static void qeth_l3_set_ip_addr_list(struct qeth_card *card)
kfree(tbd_list);
}
-static void qeth_l3_clear_ip_list(struct qeth_card *card, int clean,
- int recover)
+static void qeth_l3_clear_ip_list(struct qeth_card *card, int recover)
{
struct qeth_ipaddr *addr, *tmp;
unsigned long flags;
@@ -530,11 +529,6 @@ static void qeth_l3_clear_ip_list(struct qeth_card *card, int clean,
addr = list_entry(card->ip_list.next,
struct qeth_ipaddr, entry);
list_del_init(&addr->entry);
- if (clean) {
- spin_unlock_irqrestore(&card->ip_lock, flags);
- qeth_l3_deregister_addr_entry(card, addr);
- spin_lock_irqsave(&card->ip_lock, flags);
- }
if (!recover || addr->is_multicast) {
kfree(addr);
continue;
@@ -1611,29 +1605,6 @@ static int qeth_l3_start_ipassists(struct qeth_card *card)
return 0;
}
-static int qeth_l3_put_unique_id(struct qeth_card *card)
-{
-
- int rc = 0;
- struct qeth_cmd_buffer *iob;
- struct qeth_ipa_cmd *cmd;
-
- QETH_CARD_TEXT(card, 2, "puniqeid");
-
- if ((card->info.unique_id & UNIQUE_ID_NOT_BY_CARD) ==
- UNIQUE_ID_NOT_BY_CARD)
- return -1;
- iob = qeth_get_ipacmd_buffer(card, IPA_CMD_DESTROY_ADDR,
- QETH_PROT_IPV6);
- cmd = (struct qeth_ipa_cmd *)(iob->data+IPA_PDU_HEADER_SIZE);
- *((__u16 *) &cmd->data.create_destroy_addr.unique_id[6]) =
- card->info.unique_id;
- memcpy(&cmd->data.create_destroy_addr.unique_id[0],
- card->dev->dev_addr, OSA_ADDR_LEN);
- rc = qeth_send_ipa_cmd(card, iob, NULL, NULL);
- return rc;
-}
-
static int qeth_l3_iqd_read_initial_mac_cb(struct qeth_card *card,
struct qeth_reply *reply, unsigned long data)
{
@@ -2324,25 +2295,14 @@ static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode)
dev_close(card->dev);
rtnl_unlock();
}
- if (!card->use_hard_stop) {
- rc = qeth_send_stoplan(card);
- if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "1err%d", rc);
- }
card->state = CARD_STATE_SOFTSETUP;
}
if (card->state == CARD_STATE_SOFTSETUP) {
- qeth_l3_clear_ip_list(card, !card->use_hard_stop, 1);
+ qeth_l3_clear_ip_list(card, 1);
qeth_clear_ipacmd_list(card);
card->state = CARD_STATE_HARDSETUP;
}
if (card->state == CARD_STATE_HARDSETUP) {
- if (!card->use_hard_stop &&
- (card->info.type != QETH_CARD_TYPE_IQD)) {
- rc = qeth_l3_put_unique_id(card);
- if (rc)
- QETH_DBF_TEXT_(SETUP, 2, "2err%d", rc);
- }
qeth_qdio_clear_card(card, 0);
qeth_clear_qdio_buffers(card);
qeth_clear_working_pool_list(card);
@@ -2352,7 +2312,6 @@ static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode)
qeth_clear_cmd_buffers(&card->read);
qeth_clear_cmd_buffers(&card->write);
}
- card->use_hard_stop = 0;
return rc;
}
@@ -3433,6 +3392,8 @@ static int qeth_l3_setup_netdev(struct qeth_card *card)
if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
card->dev->dev_id = card->info.unique_id &
0xffff;
+ if (!card->info.guestlan)
+ card->dev->features |= NETIF_F_GRO;
}
} else if (card->info.type == QETH_CARD_TYPE_IQD) {
card->dev = alloc_netdev(0, "hsi%d", ether_setup);
@@ -3471,6 +3432,9 @@ static int qeth_l3_probe_device(struct ccwgroup_device *gdev)
card->discipline.output_handler = (qdio_handler_t *)
qeth_qdio_output_handler;
card->discipline.recover = qeth_l3_recover;
+ if ((card->info.type == QETH_CARD_TYPE_OSD) ||
+ (card->info.type == QETH_CARD_TYPE_OSX))
+ card->options.checksum_type = HW_CHECKSUMMING;
return 0;
}
@@ -3483,17 +3447,15 @@ static void qeth_l3_remove_device(struct ccwgroup_device *cgdev)
qeth_set_allowed_threads(card, 0, 1);
wait_event(card->wait_q, qeth_threads_running(card, 0xffffffff) == 0);
- if (cgdev->state == CCWGROUP_ONLINE) {
- card->use_hard_stop = 1;
+ if (cgdev->state == CCWGROUP_ONLINE)
qeth_l3_set_offline(cgdev);
- }
if (card->dev) {
unregister_netdev(card->dev);
card->dev = NULL;
}
- qeth_l3_clear_ip_list(card, 0, 0);
+ qeth_l3_clear_ip_list(card, 0);
qeth_l3_clear_ipato_list(card);
return;
}
@@ -3594,7 +3556,6 @@ contin:
mutex_unlock(&card->discipline_mutex);
return 0;
out_remove:
- card->use_hard_stop = 1;
qeth_l3_stop_card(card, 0);
ccw_device_set_offline(CARD_DDEV(card));
ccw_device_set_offline(CARD_WDEV(card));
@@ -3663,7 +3624,6 @@ static int qeth_l3_recover(void *ptr)
QETH_CARD_TEXT(card, 2, "recover2");
dev_warn(&card->gdev->dev,
"A recovery process has been started for the device\n");
- card->use_hard_stop = 1;
__qeth_l3_set_offline(card->gdev, 1);
rc = __qeth_l3_set_online(card->gdev, 1);
if (!rc)
@@ -3684,7 +3644,6 @@ static int qeth_l3_recover(void *ptr)
static void qeth_l3_shutdown(struct ccwgroup_device *gdev)
{
struct qeth_card *card = dev_get_drvdata(&gdev->dev);
- qeth_l3_clear_ip_list(card, 0, 0);
qeth_qdio_clear_card(card, 0);
qeth_clear_qdio_buffers(card);
}
@@ -3700,7 +3659,6 @@ static int qeth_l3_pm_suspend(struct ccwgroup_device *gdev)
if (gdev->state == CCWGROUP_OFFLINE)
return 0;
if (card->state == CARD_STATE_UP) {
- card->use_hard_stop = 1;
__qeth_l3_set_offline(card->gdev, 1);
} else
__qeth_l3_set_offline(card->gdev, 0);
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 51c666fb67a..645b0fcbb37 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -122,36 +122,21 @@ static int __init zfcp_module_init(void)
{
int retval = -ENOMEM;
- zfcp_data.gpn_ft_cache = zfcp_cache_hw_align("zfcp_gpn",
- sizeof(struct zfcp_fc_gpn_ft_req));
- if (!zfcp_data.gpn_ft_cache)
- goto out;
-
- zfcp_data.qtcb_cache = zfcp_cache_hw_align("zfcp_qtcb",
- sizeof(struct fsf_qtcb));
- if (!zfcp_data.qtcb_cache)
+ zfcp_fsf_qtcb_cache = zfcp_cache_hw_align("zfcp_fsf_qtcb",
+ sizeof(struct fsf_qtcb));
+ if (!zfcp_fsf_qtcb_cache)
goto out_qtcb_cache;
- zfcp_data.sr_buffer_cache = zfcp_cache_hw_align("zfcp_sr",
- sizeof(struct fsf_status_read_buffer));
- if (!zfcp_data.sr_buffer_cache)
- goto out_sr_cache;
+ zfcp_fc_req_cache = zfcp_cache_hw_align("zfcp_fc_req",
+ sizeof(struct zfcp_fc_req));
+ if (!zfcp_fc_req_cache)
+ goto out_fc_cache;
- zfcp_data.gid_pn_cache = zfcp_cache_hw_align("zfcp_gid",
- sizeof(struct zfcp_fc_gid_pn));
- if (!zfcp_data.gid_pn_cache)
- goto out_gid_cache;
-
- zfcp_data.adisc_cache = zfcp_cache_hw_align("zfcp_adisc",
- sizeof(struct zfcp_fc_els_adisc));
- if (!zfcp_data.adisc_cache)
- goto out_adisc_cache;
-
- zfcp_data.scsi_transport_template =
+ zfcp_scsi_transport_template =
fc_attach_transport(&zfcp_transport_functions);
- if (!zfcp_data.scsi_transport_template)
+ if (!zfcp_scsi_transport_template)
goto out_transport;
- scsi_transport_reserve_device(zfcp_data.scsi_transport_template,
+ scsi_transport_reserve_device(zfcp_scsi_transport_template,
sizeof(struct zfcp_scsi_dev));
@@ -175,18 +160,12 @@ static int __init zfcp_module_init(void)
out_ccw_register:
misc_deregister(&zfcp_cfdc_misc);
out_misc:
- fc_release_transport(zfcp_data.scsi_transport_template);
+ fc_release_transport(zfcp_scsi_transport_template);
out_transport:
- kmem_cache_destroy(zfcp_data.adisc_cache);
-out_adisc_cache:
- kmem_cache_destroy(zfcp_data.gid_pn_cache);
-out_gid_cache:
- kmem_cache_destroy(zfcp_data.sr_buffer_cache);
-out_sr_cache:
- kmem_cache_destroy(zfcp_data.qtcb_cache);
+ kmem_cache_destroy(zfcp_fc_req_cache);
+out_fc_cache:
+ kmem_cache_destroy(zfcp_fsf_qtcb_cache);
out_qtcb_cache:
- kmem_cache_destroy(zfcp_data.gpn_ft_cache);
-out:
return retval;
}
@@ -196,12 +175,9 @@ static void __exit zfcp_module_exit(void)
{
ccw_driver_unregister(&zfcp_ccw_driver);
misc_deregister(&zfcp_cfdc_misc);
- fc_release_transport(zfcp_data.scsi_transport_template);
- kmem_cache_destroy(zfcp_data.adisc_cache);
- kmem_cache_destroy(zfcp_data.gid_pn_cache);
- kmem_cache_destroy(zfcp_data.sr_buffer_cache);
- kmem_cache_destroy(zfcp_data.qtcb_cache);
- kmem_cache_destroy(zfcp_data.gpn_ft_cache);
+ fc_release_transport(zfcp_scsi_transport_template);
+ kmem_cache_destroy(zfcp_fc_req_cache);
+ kmem_cache_destroy(zfcp_fsf_qtcb_cache);
}
module_exit(zfcp_module_exit);
@@ -260,18 +236,18 @@ static int zfcp_allocate_low_mem_buffers(struct zfcp_adapter *adapter)
return -ENOMEM;
adapter->pool.qtcb_pool =
- mempool_create_slab_pool(4, zfcp_data.qtcb_cache);
+ mempool_create_slab_pool(4, zfcp_fsf_qtcb_cache);
if (!adapter->pool.qtcb_pool)
return -ENOMEM;
- adapter->pool.status_read_data =
- mempool_create_slab_pool(FSF_STATUS_READS_RECOM,
- zfcp_data.sr_buffer_cache);
- if (!adapter->pool.status_read_data)
+ BUILD_BUG_ON(sizeof(struct fsf_status_read_buffer) > PAGE_SIZE);
+ adapter->pool.sr_data =
+ mempool_create_page_pool(FSF_STATUS_READS_RECOM, 0);
+ if (!adapter->pool.sr_data)
return -ENOMEM;
adapter->pool.gid_pn =
- mempool_create_slab_pool(1, zfcp_data.gid_pn_cache);
+ mempool_create_slab_pool(1, zfcp_fc_req_cache);
if (!adapter->pool.gid_pn)
return -ENOMEM;
@@ -290,8 +266,8 @@ static void zfcp_free_low_mem_buffers(struct zfcp_adapter *adapter)
mempool_destroy(adapter->pool.qtcb_pool);
if (adapter->pool.status_read_req)
mempool_destroy(adapter->pool.status_read_req);
- if (adapter->pool.status_read_data)
- mempool_destroy(adapter->pool.status_read_data);
+ if (adapter->pool.sr_data)
+ mempool_destroy(adapter->pool.sr_data);
if (adapter->pool.gid_pn)
mempool_destroy(adapter->pool.gid_pn);
}
@@ -386,6 +362,7 @@ struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *ccw_device)
INIT_WORK(&adapter->stat_work, _zfcp_status_read_scheduler);
INIT_WORK(&adapter->scan_work, zfcp_fc_scan_ports);
+ INIT_WORK(&adapter->ns_up_work, zfcp_fc_sym_name_update);
if (zfcp_qdio_setup(adapter))
goto failed;
@@ -437,7 +414,7 @@ struct zfcp_adapter *zfcp_adapter_enqueue(struct ccw_device *ccw_device)
adapter->dma_parms.max_segment_size = ZFCP_QDIO_SBALE_LEN;
adapter->ccw_device->dev.dma_parms = &adapter->dma_parms;
- if (!zfcp_adapter_scsi_register(adapter))
+ if (!zfcp_scsi_adapter_register(adapter))
return adapter;
failed:
@@ -451,10 +428,11 @@ void zfcp_adapter_unregister(struct zfcp_adapter *adapter)
cancel_work_sync(&adapter->scan_work);
cancel_work_sync(&adapter->stat_work);
+ cancel_work_sync(&adapter->ns_up_work);
zfcp_destroy_adapter_work_queue(adapter);
zfcp_fc_wka_ports_force_offline(adapter->gs);
- zfcp_adapter_scsi_unregister(adapter);
+ zfcp_scsi_adapter_unregister(adapter);
sysfs_remove_group(&cdev->dev.kobj, &zfcp_sysfs_adapter_attrs);
zfcp_erp_thread_kill(adapter);
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 9ae1d0a6f62..527ba48eea5 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -89,7 +89,6 @@ struct zfcp_reqlist;
#define ZFCP_STATUS_LUN_READONLY 0x00000008
/* FSF request status (this does not have a common part) */
-#define ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT 0x00000002
#define ZFCP_STATUS_FSFREQ_ERROR 0x00000008
#define ZFCP_STATUS_FSFREQ_CLEANUP 0x00000010
#define ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED 0x00000040
@@ -108,7 +107,7 @@ struct zfcp_adapter_mempool {
mempool_t *scsi_req;
mempool_t *scsi_abort;
mempool_t *status_read_req;
- mempool_t *status_read_data;
+ mempool_t *sr_data;
mempool_t *gid_pn;
mempool_t *qtcb_pool;
};
@@ -190,6 +189,7 @@ struct zfcp_adapter {
struct fsf_qtcb_bottom_port *stats_reset_data;
unsigned long stats_reset;
struct work_struct scan_work;
+ struct work_struct ns_up_work;
struct service_level service_level;
struct workqueue_struct *work_queue;
struct device_dma_parameters dma_parms;
@@ -314,15 +314,4 @@ struct zfcp_fsf_req {
void (*handler)(struct zfcp_fsf_req *);
};
-/* driver data */
-struct zfcp_data {
- struct scsi_host_template scsi_host_template;
- struct scsi_transport_template *scsi_transport_template;
- struct kmem_cache *gpn_ft_cache;
- struct kmem_cache *qtcb_cache;
- struct kmem_cache *sr_buffer_cache;
- struct kmem_cache *gid_pn_cache;
- struct kmem_cache *adisc_cache;
-};
-
#endif /* ZFCP_DEF_H */
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index e003e306f87..e1b4f800e22 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -732,7 +732,7 @@ static int zfcp_erp_adapter_strategy_open_fsf(struct zfcp_erp_action *act)
if (zfcp_erp_adapter_strategy_open_fsf_xport(act) == ZFCP_ERP_FAILED)
return ZFCP_ERP_FAILED;
- if (mempool_resize(act->adapter->pool.status_read_data,
+ if (mempool_resize(act->adapter->pool.sr_data,
act->adapter->stat_read_buf_num, GFP_KERNEL))
return ZFCP_ERP_FAILED;
@@ -1231,8 +1231,10 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result)
if (result == ZFCP_ERP_SUCCEEDED) {
register_service_level(&adapter->service_level);
queue_work(adapter->work_queue, &adapter->scan_work);
+ queue_work(adapter->work_queue, &adapter->ns_up_work);
} else
unregister_service_level(&adapter->service_level);
+
kref_put(&adapter->ref, zfcp_adapter_release);
break;
}
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index 6e325284fbe..03627cfd81c 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -80,6 +80,7 @@ extern void zfcp_erp_notify(struct zfcp_erp_action *, unsigned long);
extern void zfcp_erp_timeout_handler(unsigned long);
/* zfcp_fc.c */
+extern struct kmem_cache *zfcp_fc_req_cache;
extern void zfcp_fc_enqueue_event(struct zfcp_adapter *,
enum fc_host_event_code event_code, u32);
extern void zfcp_fc_post_event(struct work_struct *);
@@ -95,8 +96,10 @@ extern int zfcp_fc_gs_setup(struct zfcp_adapter *);
extern void zfcp_fc_gs_destroy(struct zfcp_adapter *);
extern int zfcp_fc_exec_bsg_job(struct fc_bsg_job *);
extern int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *);
+extern void zfcp_fc_sym_name_update(struct work_struct *);
/* zfcp_fsf.c */
+extern struct kmem_cache *zfcp_fsf_qtcb_cache;
extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
extern int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *);
extern int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *);
@@ -139,9 +142,9 @@ extern struct zfcp_fsf_req *zfcp_fsf_get_req(struct zfcp_qdio *,
struct qdio_buffer *);
/* zfcp_scsi.c */
-extern struct zfcp_data zfcp_data;
-extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
-extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
+extern struct scsi_transport_template *zfcp_scsi_transport_template;
+extern int zfcp_scsi_adapter_register(struct zfcp_adapter *);
+extern void zfcp_scsi_adapter_unregister(struct zfcp_adapter *);
extern struct fc_function_template zfcp_transport_functions;
extern void zfcp_scsi_rport_work(struct work_struct *);
extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 30cf91a787a..297e6b71ce9 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -11,11 +11,14 @@
#include <linux/types.h>
#include <linux/slab.h>
+#include <linux/utsname.h>
#include <scsi/fc/fc_els.h>
#include <scsi/libfc.h>
#include "zfcp_ext.h"
#include "zfcp_fc.h"
+struct kmem_cache *zfcp_fc_req_cache;
+
static u32 zfcp_fc_rscn_range_mask[] = {
[ELS_ADDR_FMT_PORT] = 0xFFFFFF,
[ELS_ADDR_FMT_AREA] = 0xFFFF00,
@@ -260,24 +263,18 @@ void zfcp_fc_incoming_els(struct zfcp_fsf_req *fsf_req)
zfcp_fc_incoming_rscn(fsf_req);
}
-static void zfcp_fc_ns_gid_pn_eval(void *data)
+static void zfcp_fc_ns_gid_pn_eval(struct zfcp_fc_req *fc_req)
{
- struct zfcp_fc_gid_pn *gid_pn = data;
- struct zfcp_fsf_ct_els *ct = &gid_pn->ct;
- struct zfcp_fc_gid_pn_req *gid_pn_req = sg_virt(ct->req);
- struct zfcp_fc_gid_pn_resp *gid_pn_resp = sg_virt(ct->resp);
- struct zfcp_port *port = gid_pn->port;
+ struct zfcp_fsf_ct_els *ct_els = &fc_req->ct_els;
+ struct zfcp_fc_gid_pn_rsp *gid_pn_rsp = &fc_req->u.gid_pn.rsp;
- if (ct->status)
+ if (ct_els->status)
return;
- if (gid_pn_resp->ct_hdr.ct_cmd != FC_FS_ACC)
+ if (gid_pn_rsp->ct_hdr.ct_cmd != FC_FS_ACC)
return;
- /* paranoia */
- if (gid_pn_req->gid_pn.fn_wwpn != port->wwpn)
- return;
/* looks like a valid d_id */
- port->d_id = ntoh24(gid_pn_resp->gid_pn.fp_fid);
+ ct_els->port->d_id = ntoh24(gid_pn_rsp->gid_pn.fp_fid);
}
static void zfcp_fc_complete(void *data)
@@ -285,69 +282,73 @@ static void zfcp_fc_complete(void *data)
complete(data);
}
+static void zfcp_fc_ct_ns_init(struct fc_ct_hdr *ct_hdr, u16 cmd, u16 mr_size)
+{
+ ct_hdr->ct_rev = FC_CT_REV;
+ ct_hdr->ct_fs_type = FC_FST_DIR;
+ ct_hdr->ct_fs_subtype = FC_NS_SUBTYPE;
+ ct_hdr->ct_cmd = cmd;
+ ct_hdr->ct_mr_size = mr_size / 4;
+}
+
static int zfcp_fc_ns_gid_pn_request(struct zfcp_port *port,
- struct zfcp_fc_gid_pn *gid_pn)
+ struct zfcp_fc_req *fc_req)
{
struct zfcp_adapter *adapter = port->adapter;
DECLARE_COMPLETION_ONSTACK(completion);
+ struct zfcp_fc_gid_pn_req *gid_pn_req = &fc_req->u.gid_pn.req;
+ struct zfcp_fc_gid_pn_rsp *gid_pn_rsp = &fc_req->u.gid_pn.rsp;
int ret;
/* setup parameters for send generic command */
- gid_pn->port = port;
- gid_pn->ct.handler = zfcp_fc_complete;
- gid_pn->ct.handler_data = &completion;
- gid_pn->ct.req = &gid_pn->sg_req;
- gid_pn->ct.resp = &gid_pn->sg_resp;
- sg_init_one(&gid_pn->sg_req, &gid_pn->gid_pn_req,
- sizeof(struct zfcp_fc_gid_pn_req));
- sg_init_one(&gid_pn->sg_resp, &gid_pn->gid_pn_resp,
- sizeof(struct zfcp_fc_gid_pn_resp));
-
- /* setup nameserver request */
- gid_pn->gid_pn_req.ct_hdr.ct_rev = FC_CT_REV;
- gid_pn->gid_pn_req.ct_hdr.ct_fs_type = FC_FST_DIR;
- gid_pn->gid_pn_req.ct_hdr.ct_fs_subtype = FC_NS_SUBTYPE;
- gid_pn->gid_pn_req.ct_hdr.ct_options = 0;
- gid_pn->gid_pn_req.ct_hdr.ct_cmd = FC_NS_GID_PN;
- gid_pn->gid_pn_req.ct_hdr.ct_mr_size = ZFCP_FC_CT_SIZE_PAGE / 4;
- gid_pn->gid_pn_req.gid_pn.fn_wwpn = port->wwpn;
-
- ret = zfcp_fsf_send_ct(&adapter->gs->ds, &gid_pn->ct,
+ fc_req->ct_els.port = port;
+ fc_req->ct_els.handler = zfcp_fc_complete;
+ fc_req->ct_els.handler_data = &completion;
+ fc_req->ct_els.req = &fc_req->sg_req;
+ fc_req->ct_els.resp = &fc_req->sg_rsp;
+ sg_init_one(&fc_req->sg_req, gid_pn_req, sizeof(*gid_pn_req));
+ sg_init_one(&fc_req->sg_rsp, gid_pn_rsp, sizeof(*gid_pn_rsp));
+
+ zfcp_fc_ct_ns_init(&gid_pn_req->ct_hdr,
+ FC_NS_GID_PN, ZFCP_FC_CT_SIZE_PAGE);
+ gid_pn_req->gid_pn.fn_wwpn = port->wwpn;
+
+ ret = zfcp_fsf_send_ct(&adapter->gs->ds, &fc_req->ct_els,
adapter->pool.gid_pn_req,
ZFCP_FC_CTELS_TMO);
if (!ret) {
wait_for_completion(&completion);
- zfcp_fc_ns_gid_pn_eval(gid_pn);
+ zfcp_fc_ns_gid_pn_eval(fc_req);
}
return ret;
}
/**
- * zfcp_fc_ns_gid_pn_request - initiate GID_PN nameserver request
+ * zfcp_fc_ns_gid_pn - initiate GID_PN nameserver request
* @port: port where GID_PN request is needed
* return: -ENOMEM on error, 0 otherwise
*/
static int zfcp_fc_ns_gid_pn(struct zfcp_port *port)
{
int ret;
- struct zfcp_fc_gid_pn *gid_pn;
+ struct zfcp_fc_req *fc_req;
struct zfcp_adapter *adapter = port->adapter;
- gid_pn = mempool_alloc(adapter->pool.gid_pn, GFP_ATOMIC);
- if (!gid_pn)
+ fc_req = mempool_alloc(adapter->pool.gid_pn, GFP_ATOMIC);
+ if (!fc_req)
return -ENOMEM;
- memset(gid_pn, 0, sizeof(*gid_pn));
+ memset(fc_req, 0, sizeof(*fc_req));
ret = zfcp_fc_wka_port_get(&adapter->gs->ds);
if (ret)
goto out;
- ret = zfcp_fc_ns_gid_pn_request(port, gid_pn);
+ ret = zfcp_fc_ns_gid_pn_request(port, fc_req);
zfcp_fc_wka_port_put(&adapter->gs->ds);
out:
- mempool_free(gid_pn, adapter->pool.gid_pn);
+ mempool_free(fc_req, adapter->pool.gid_pn);
return ret;
}
@@ -419,11 +420,11 @@ void zfcp_fc_plogi_evaluate(struct zfcp_port *port, struct fc_els_flogi *plogi)
static void zfcp_fc_adisc_handler(void *data)
{
- struct zfcp_fc_els_adisc *adisc = data;
- struct zfcp_port *port = adisc->els.port;
- struct fc_els_adisc *adisc_resp = &adisc->adisc_resp;
+ struct zfcp_fc_req *fc_req = data;
+ struct zfcp_port *port = fc_req->ct_els.port;
+ struct fc_els_adisc *adisc_resp = &fc_req->u.adisc.rsp;
- if (adisc->els.status) {
+ if (fc_req->ct_els.status) {
/* request rejected or timed out */
zfcp_erp_port_forced_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED,
"fcadh_1");
@@ -445,42 +446,42 @@ static void zfcp_fc_adisc_handler(void *data)
out:
atomic_clear_mask(ZFCP_STATUS_PORT_LINK_TEST, &port->status);
put_device(&port->dev);
- kmem_cache_free(zfcp_data.adisc_cache, adisc);
+ kmem_cache_free(zfcp_fc_req_cache, fc_req);
}
static int zfcp_fc_adisc(struct zfcp_port *port)
{
- struct zfcp_fc_els_adisc *adisc;
+ struct zfcp_fc_req *fc_req;
struct zfcp_adapter *adapter = port->adapter;
+ struct Scsi_Host *shost = adapter->scsi_host;
int ret;
- adisc = kmem_cache_zalloc(zfcp_data.adisc_cache, GFP_ATOMIC);
- if (!adisc)
+ fc_req = kmem_cache_zalloc(zfcp_fc_req_cache, GFP_ATOMIC);
+ if (!fc_req)
return -ENOMEM;
- adisc->els.port = port;
- adisc->els.req = &adisc->req;
- adisc->els.resp = &adisc->resp;
- sg_init_one(adisc->els.req, &adisc->adisc_req,
+ fc_req->ct_els.port = port;
+ fc_req->ct_els.req = &fc_req->sg_req;
+ fc_req->ct_els.resp = &fc_req->sg_rsp;
+ sg_init_one(&fc_req->sg_req, &fc_req->u.adisc.req,
sizeof(struct fc_els_adisc));
- sg_init_one(adisc->els.resp, &adisc->adisc_resp,
+ sg_init_one(&fc_req->sg_rsp, &fc_req->u.adisc.rsp,
sizeof(struct fc_els_adisc));
- adisc->els.handler = zfcp_fc_adisc_handler;
- adisc->els.handler_data = adisc;
+ fc_req->ct_els.handler = zfcp_fc_adisc_handler;
+ fc_req->ct_els.handler_data = fc_req;
/* acc. to FC-FS, hard_nport_id in ADISC should not be set for ports
without FC-AL-2 capability, so we don't set it */
- adisc->adisc_req.adisc_wwpn = fc_host_port_name(adapter->scsi_host);
- adisc->adisc_req.adisc_wwnn = fc_host_node_name(adapter->scsi_host);
- adisc->adisc_req.adisc_cmd = ELS_ADISC;
- hton24(adisc->adisc_req.adisc_port_id,
- fc_host_port_id(adapter->scsi_host));
+ fc_req->u.adisc.req.adisc_wwpn = fc_host_port_name(shost);
+ fc_req->u.adisc.req.adisc_wwnn = fc_host_node_name(shost);
+ fc_req->u.adisc.req.adisc_cmd = ELS_ADISC;
+ hton24(fc_req->u.adisc.req.adisc_port_id, fc_host_port_id(shost));
- ret = zfcp_fsf_send_els(adapter, port->d_id, &adisc->els,
+ ret = zfcp_fsf_send_els(adapter, port->d_id, &fc_req->ct_els,
ZFCP_FC_CTELS_TMO);
if (ret)
- kmem_cache_free(zfcp_data.adisc_cache, adisc);
+ kmem_cache_free(zfcp_fc_req_cache, fc_req);
return ret;
}
@@ -528,68 +529,42 @@ void zfcp_fc_test_link(struct zfcp_port *port)
put_device(&port->dev);
}
-static void zfcp_free_sg_env(struct zfcp_fc_gpn_ft *gpn_ft, int buf_num)
+static struct zfcp_fc_req *zfcp_alloc_sg_env(int buf_num)
{
- struct scatterlist *sg = &gpn_ft->sg_req;
-
- kmem_cache_free(zfcp_data.gpn_ft_cache, sg_virt(sg));
- zfcp_sg_free_table(gpn_ft->sg_resp, buf_num);
-
- kfree(gpn_ft);
-}
+ struct zfcp_fc_req *fc_req;
-static struct zfcp_fc_gpn_ft *zfcp_alloc_sg_env(int buf_num)
-{
- struct zfcp_fc_gpn_ft *gpn_ft;
- struct zfcp_fc_gpn_ft_req *req;
-
- gpn_ft = kzalloc(sizeof(*gpn_ft), GFP_KERNEL);
- if (!gpn_ft)
+ fc_req = kmem_cache_zalloc(zfcp_fc_req_cache, GFP_KERNEL);
+ if (!fc_req)
return NULL;
- req = kmem_cache_zalloc(zfcp_data.gpn_ft_cache, GFP_KERNEL);
- if (!req) {
- kfree(gpn_ft);
- gpn_ft = NULL;
- goto out;
+ if (zfcp_sg_setup_table(&fc_req->sg_rsp, buf_num)) {
+ kmem_cache_free(zfcp_fc_req_cache, fc_req);
+ return NULL;
}
- sg_init_one(&gpn_ft->sg_req, req, sizeof(*req));
- if (zfcp_sg_setup_table(gpn_ft->sg_resp, buf_num)) {
- zfcp_free_sg_env(gpn_ft, buf_num);
- gpn_ft = NULL;
- }
-out:
- return gpn_ft;
-}
+ sg_init_one(&fc_req->sg_req, &fc_req->u.gpn_ft.req,
+ sizeof(struct zfcp_fc_gpn_ft_req));
+ return fc_req;
+}
-static int zfcp_fc_send_gpn_ft(struct zfcp_fc_gpn_ft *gpn_ft,
+static int zfcp_fc_send_gpn_ft(struct zfcp_fc_req *fc_req,
struct zfcp_adapter *adapter, int max_bytes)
{
- struct zfcp_fsf_ct_els *ct = &gpn_ft->ct;
- struct zfcp_fc_gpn_ft_req *req = sg_virt(&gpn_ft->sg_req);
+ struct zfcp_fsf_ct_els *ct_els = &fc_req->ct_els;
+ struct zfcp_fc_gpn_ft_req *req = &fc_req->u.gpn_ft.req;
DECLARE_COMPLETION_ONSTACK(completion);
int ret;
- /* prepare CT IU for GPN_FT */
- req->ct_hdr.ct_rev = FC_CT_REV;
- req->ct_hdr.ct_fs_type = FC_FST_DIR;
- req->ct_hdr.ct_fs_subtype = FC_NS_SUBTYPE;
- req->ct_hdr.ct_options = 0;
- req->ct_hdr.ct_cmd = FC_NS_GPN_FT;
- req->ct_hdr.ct_mr_size = max_bytes / 4;
- req->gpn_ft.fn_domain_id_scope = 0;
- req->gpn_ft.fn_area_id_scope = 0;
+ zfcp_fc_ct_ns_init(&req->ct_hdr, FC_NS_GPN_FT, max_bytes);
req->gpn_ft.fn_fc4_type = FC_TYPE_FCP;
- /* prepare zfcp_send_ct */
- ct->handler = zfcp_fc_complete;
- ct->handler_data = &completion;
- ct->req = &gpn_ft->sg_req;
- ct->resp = gpn_ft->sg_resp;
+ ct_els->handler = zfcp_fc_complete;
+ ct_els->handler_data = &completion;
+ ct_els->req = &fc_req->sg_req;
+ ct_els->resp = &fc_req->sg_rsp;
- ret = zfcp_fsf_send_ct(&adapter->gs->ds, ct, NULL,
+ ret = zfcp_fsf_send_ct(&adapter->gs->ds, ct_els, NULL,
ZFCP_FC_CTELS_TMO);
if (!ret)
wait_for_completion(&completion);
@@ -610,11 +585,11 @@ static void zfcp_fc_validate_port(struct zfcp_port *port, struct list_head *lh)
list_move_tail(&port->list, lh);
}
-static int zfcp_fc_eval_gpn_ft(struct zfcp_fc_gpn_ft *gpn_ft,
+static int zfcp_fc_eval_gpn_ft(struct zfcp_fc_req *fc_req,
struct zfcp_adapter *adapter, int max_entries)
{
- struct zfcp_fsf_ct_els *ct = &gpn_ft->ct;
- struct scatterlist *sg = gpn_ft->sg_resp;
+ struct zfcp_fsf_ct_els *ct_els = &fc_req->ct_els;
+ struct scatterlist *sg = &fc_req->sg_rsp;
struct fc_ct_hdr *hdr = sg_virt(sg);
struct fc_gpn_ft_resp *acc = sg_virt(sg);
struct zfcp_port *port, *tmp;
@@ -623,7 +598,7 @@ static int zfcp_fc_eval_gpn_ft(struct zfcp_fc_gpn_ft *gpn_ft,
u32 d_id;
int ret = 0, x, last = 0;
- if (ct->status)
+ if (ct_els->status)
return -EIO;
if (hdr->ct_cmd != FC_FS_ACC) {
@@ -687,7 +662,7 @@ void zfcp_fc_scan_ports(struct work_struct *work)
struct zfcp_adapter *adapter = container_of(work, struct zfcp_adapter,
scan_work);
int ret, i;
- struct zfcp_fc_gpn_ft *gpn_ft;
+ struct zfcp_fc_req *fc_req;
int chain, max_entries, buf_num, max_bytes;
chain = adapter->adapter_features & FSF_FEATURE_ELS_CT_CHAINED_SBALS;
@@ -702,25 +677,145 @@ void zfcp_fc_scan_ports(struct work_struct *work)
if (zfcp_fc_wka_port_get(&adapter->gs->ds))
return;
- gpn_ft = zfcp_alloc_sg_env(buf_num);
- if (!gpn_ft)
+ fc_req = zfcp_alloc_sg_env(buf_num);
+ if (!fc_req)
goto out;
for (i = 0; i < 3; i++) {
- ret = zfcp_fc_send_gpn_ft(gpn_ft, adapter, max_bytes);
+ ret = zfcp_fc_send_gpn_ft(fc_req, adapter, max_bytes);
if (!ret) {
- ret = zfcp_fc_eval_gpn_ft(gpn_ft, adapter, max_entries);
+ ret = zfcp_fc_eval_gpn_ft(fc_req, adapter, max_entries);
if (ret == -EAGAIN)
ssleep(1);
else
break;
}
}
- zfcp_free_sg_env(gpn_ft, buf_num);
+ zfcp_sg_free_table(&fc_req->sg_rsp, buf_num);
+ kmem_cache_free(zfcp_fc_req_cache, fc_req);
out:
zfcp_fc_wka_port_put(&adapter->gs->ds);
}
+static int zfcp_fc_gspn(struct zfcp_adapter *adapter,
+ struct zfcp_fc_req *fc_req)
+{
+ DECLARE_COMPLETION_ONSTACK(completion);
+ char devno[] = "DEVNO:";
+ struct zfcp_fsf_ct_els *ct_els = &fc_req->ct_els;
+ struct zfcp_fc_gspn_req *gspn_req = &fc_req->u.gspn.req;
+ struct zfcp_fc_gspn_rsp *gspn_rsp = &fc_req->u.gspn.rsp;
+ int ret;
+
+ zfcp_fc_ct_ns_init(&gspn_req->ct_hdr, FC_NS_GSPN_ID,
+ FC_SYMBOLIC_NAME_SIZE);
+ hton24(gspn_req->gspn.fp_fid, fc_host_port_id(adapter->scsi_host));
+
+ sg_init_one(&fc_req->sg_req, gspn_req, sizeof(*gspn_req));
+ sg_init_one(&fc_req->sg_rsp, gspn_rsp, sizeof(*gspn_rsp));
+
+ ct_els->handler = zfcp_fc_complete;
+ ct_els->handler_data = &completion;
+ ct_els->req = &fc_req->sg_req;
+ ct_els->resp = &fc_req->sg_rsp;
+
+ ret = zfcp_fsf_send_ct(&adapter->gs->ds, ct_els, NULL,
+ ZFCP_FC_CTELS_TMO);
+ if (ret)
+ return ret;
+
+ wait_for_completion(&completion);
+ if (ct_els->status)
+ return ct_els->status;
+
+ if (fc_host_port_type(adapter->scsi_host) == FC_PORTTYPE_NPIV &&
+ !(strstr(gspn_rsp->gspn.fp_name, devno)))
+ snprintf(fc_host_symbolic_name(adapter->scsi_host),
+ FC_SYMBOLIC_NAME_SIZE, "%s%s %s NAME: %s",
+ gspn_rsp->gspn.fp_name, devno,
+ dev_name(&adapter->ccw_device->dev),
+ init_utsname()->nodename);
+ else
+ strlcpy(fc_host_symbolic_name(adapter->scsi_host),
+ gspn_rsp->gspn.fp_name, FC_SYMBOLIC_NAME_SIZE);
+
+ return 0;
+}
+
+static void zfcp_fc_rspn(struct zfcp_adapter *adapter,
+ struct zfcp_fc_req *fc_req)
+{
+ DECLARE_COMPLETION_ONSTACK(completion);
+ struct Scsi_Host *shost = adapter->scsi_host;
+ struct zfcp_fsf_ct_els *ct_els = &fc_req->ct_els;
+ struct zfcp_fc_rspn_req *rspn_req = &fc_req->u.rspn.req;
+ struct fc_ct_hdr *rspn_rsp = &fc_req->u.rspn.rsp;
+ int ret, len;
+
+ zfcp_fc_ct_ns_init(&rspn_req->ct_hdr, FC_NS_RSPN_ID,
+ FC_SYMBOLIC_NAME_SIZE);
+ hton24(rspn_req->rspn.fr_fid.fp_fid, fc_host_port_id(shost));
+ len = strlcpy(rspn_req->rspn.fr_name, fc_host_symbolic_name(shost),
+ FC_SYMBOLIC_NAME_SIZE);
+ rspn_req->rspn.fr_name_len = len;
+
+ sg_init_one(&fc_req->sg_req, rspn_req, sizeof(*rspn_req));
+ sg_init_one(&fc_req->sg_rsp, rspn_rsp, sizeof(*rspn_rsp));
+
+ ct_els->handler = zfcp_fc_complete;
+ ct_els->handler_data = &completion;
+ ct_els->req = &fc_req->sg_req;
+ ct_els->resp = &fc_req->sg_rsp;
+
+ ret = zfcp_fsf_send_ct(&adapter->gs->ds, ct_els, NULL,
+ ZFCP_FC_CTELS_TMO);
+ if (!ret)
+ wait_for_completion(&completion);
+}
+
+/**
+ * zfcp_fc_sym_name_update - Retrieve and update the symbolic port name
+ * @work: ns_up_work of the adapter where to update the symbolic port name
+ *
+ * Retrieve the current symbolic port name that may have been set by
+ * the hardware using the GSPN request and update the fc_host
+ * symbolic_name sysfs attribute. When running in NPIV mode (and hence
+ * the port name is unique for this system), update the symbolic port
+ * name to add Linux specific information and update the FC nameserver
+ * using the RSPN request.
+ */
+void zfcp_fc_sym_name_update(struct work_struct *work)
+{
+ struct zfcp_adapter *adapter = container_of(work, struct zfcp_adapter,
+ ns_up_work);
+ int ret;
+ struct zfcp_fc_req *fc_req;
+
+ if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT &&
+ fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPIV)
+ return;
+
+ fc_req = kmem_cache_zalloc(zfcp_fc_req_cache, GFP_KERNEL);
+ if (!fc_req)
+ return;
+
+ ret = zfcp_fc_wka_port_get(&adapter->gs->ds);
+ if (ret)
+ goto out_free;
+
+ ret = zfcp_fc_gspn(adapter, fc_req);
+ if (ret || fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPIV)
+ goto out_ds_put;
+
+ memset(fc_req, 0, sizeof(*fc_req));
+ zfcp_fc_rspn(adapter, fc_req);
+
+out_ds_put:
+ zfcp_fc_wka_port_put(&adapter->gs->ds);
+out_free:
+ kmem_cache_free(zfcp_fc_req_cache, fc_req);
+}
+
static void zfcp_fc_ct_els_job_handler(void *data)
{
struct fc_bsg_job *job = data;
diff --git a/drivers/s390/scsi/zfcp_fc.h b/drivers/s390/scsi/zfcp_fc.h
index b464ae01086..4561f3bf730 100644
--- a/drivers/s390/scsi/zfcp_fc.h
+++ b/drivers/s390/scsi/zfcp_fc.h
@@ -64,33 +64,16 @@ struct zfcp_fc_gid_pn_req {
} __packed;
/**
- * struct zfcp_fc_gid_pn_resp - container for ct header plus gid_pn response
+ * struct zfcp_fc_gid_pn_rsp - container for ct header plus gid_pn response
* @ct_hdr: FC GS common transport header
* @gid_pn: GID_PN response
*/
-struct zfcp_fc_gid_pn_resp {
+struct zfcp_fc_gid_pn_rsp {
struct fc_ct_hdr ct_hdr;
struct fc_gid_pn_resp gid_pn;
} __packed;
/**
- * struct zfcp_fc_gid_pn - everything required in zfcp for gid_pn request
- * @ct: data passed to zfcp_fsf for issuing fsf request
- * @sg_req: scatterlist entry for request data
- * @sg_resp: scatterlist entry for response data
- * @gid_pn_req: GID_PN request data
- * @gid_pn_resp: GID_PN response data
- */
-struct zfcp_fc_gid_pn {
- struct zfcp_fsf_ct_els ct;
- struct scatterlist sg_req;
- struct scatterlist sg_resp;
- struct zfcp_fc_gid_pn_req gid_pn_req;
- struct zfcp_fc_gid_pn_resp gid_pn_resp;
- struct zfcp_port *port;
-};
-
-/**
* struct zfcp_fc_gpn_ft - container for ct header plus gpn_ft request
* @ct_hdr: FC GS common transport header
* @gpn_ft: GPN_FT request
@@ -101,41 +84,72 @@ struct zfcp_fc_gpn_ft_req {
} __packed;
/**
- * struct zfcp_fc_gpn_ft_resp - container for ct header plus gpn_ft response
+ * struct zfcp_fc_gspn_req - container for ct header plus GSPN_ID request
* @ct_hdr: FC GS common transport header
- * @gpn_ft: Array of gpn_ft response data to fill one memory page
+ * @gspn: GSPN_ID request
*/
-struct zfcp_fc_gpn_ft_resp {
+struct zfcp_fc_gspn_req {
struct fc_ct_hdr ct_hdr;
- struct fc_gpn_ft_resp gpn_ft[ZFCP_FC_GPN_FT_ENT_PAGE];
+ struct fc_gid_pn_resp gspn;
} __packed;
/**
- * struct zfcp_fc_gpn_ft - zfcp data for gpn_ft request
- * @ct: data passed to zfcp_fsf for issuing fsf request
- * @sg_req: scatter list entry for gpn_ft request
- * @sg_resp: scatter list entries for gpn_ft responses (per memory page)
+ * struct zfcp_fc_gspn_rsp - container for ct header plus GSPN_ID response
+ * @ct_hdr: FC GS common transport header
+ * @gspn: GSPN_ID response
+ * @name: The name string of the GSPN_ID response
*/
-struct zfcp_fc_gpn_ft {
- struct zfcp_fsf_ct_els ct;
- struct scatterlist sg_req;
- struct scatterlist sg_resp[ZFCP_FC_GPN_FT_NUM_BUFS];
-};
+struct zfcp_fc_gspn_rsp {
+ struct fc_ct_hdr ct_hdr;
+ struct fc_gspn_resp gspn;
+ char name[FC_SYMBOLIC_NAME_SIZE];
+} __packed;
/**
- * struct zfcp_fc_els_adisc - everything required in zfcp for issuing ELS ADISC
- * @els: data required for issuing els fsf command
- * @req: scatterlist entry for ELS ADISC request
- * @resp: scatterlist entry for ELS ADISC response
- * @adisc_req: ELS ADISC request data
- * @adisc_resp: ELS ADISC response data
+ * struct zfcp_fc_rspn_req - container for ct header plus RSPN_ID request
+ * @ct_hdr: FC GS common transport header
+ * @rspn: RSPN_ID request
+ * @name: The name string of the RSPN_ID request
*/
-struct zfcp_fc_els_adisc {
- struct zfcp_fsf_ct_els els;
- struct scatterlist req;
- struct scatterlist resp;
- struct fc_els_adisc adisc_req;
- struct fc_els_adisc adisc_resp;
+struct zfcp_fc_rspn_req {
+ struct fc_ct_hdr ct_hdr;
+ struct fc_ns_rspn rspn;
+ char name[FC_SYMBOLIC_NAME_SIZE];
+} __packed;
+
+/**
+ * struct zfcp_fc_req - Container for FC ELS and CT requests sent from zfcp
+ * @ct_els: data required for issuing fsf command
+ * @sg_req: scatterlist entry for request data
+ * @sg_rsp: scatterlist entry for response data
+ * @u: request specific data
+ */
+struct zfcp_fc_req {
+ struct zfcp_fsf_ct_els ct_els;
+ struct scatterlist sg_req;
+ struct scatterlist sg_rsp;
+ union {
+ struct {
+ struct fc_els_adisc req;
+ struct fc_els_adisc rsp;
+ } adisc;
+ struct {
+ struct zfcp_fc_gid_pn_req req;
+ struct zfcp_fc_gid_pn_rsp rsp;
+ } gid_pn;
+ struct {
+ struct scatterlist sg_rsp2[ZFCP_FC_GPN_FT_NUM_BUFS - 1];
+ struct zfcp_fc_gpn_ft_req req;
+ } gpn_ft;
+ struct {
+ struct zfcp_fc_gspn_req req;
+ struct zfcp_fc_gspn_rsp rsp;
+ } gspn;
+ struct {
+ struct zfcp_fc_rspn_req req;
+ struct fc_ct_hdr rsp;
+ } rspn;
+ } u;
};
/**
@@ -192,14 +206,21 @@ struct zfcp_fc_wka_ports {
* zfcp_fc_scsi_to_fcp - setup FCP command with data from scsi_cmnd
* @fcp: fcp_cmnd to setup
* @scsi: scsi_cmnd where to get LUN, task attributes/flags and CDB
+ * @tm: task management flags to setup task management command
*/
static inline
-void zfcp_fc_scsi_to_fcp(struct fcp_cmnd *fcp, struct scsi_cmnd *scsi)
+void zfcp_fc_scsi_to_fcp(struct fcp_cmnd *fcp, struct scsi_cmnd *scsi,
+ u8 tm_flags)
{
char tag[2];
int_to_scsilun(scsi->device->lun, (struct scsi_lun *) &fcp->fc_lun);
+ if (unlikely(tm_flags)) {
+ fcp->fc_tm_flags = tm_flags;
+ return;
+ }
+
if (scsi_populate_tag_msg(scsi, tag)) {
switch (tag[0]) {
case MSG_ORDERED_TAG:
@@ -226,19 +247,6 @@ void zfcp_fc_scsi_to_fcp(struct fcp_cmnd *fcp, struct scsi_cmnd *scsi)
}
/**
- * zfcp_fc_fcp_tm - setup FCP command as task management command
- * @fcp: fcp_cmnd to setup
- * @dev: scsi_device where to send the task management command
- * @tm: task management flags to setup tm command
- */
-static inline
-void zfcp_fc_fcp_tm(struct fcp_cmnd *fcp, struct scsi_device *dev, u8 tm_flags)
-{
- int_to_scsilun(dev->lun, (struct scsi_lun *) &fcp->fc_lun);
- fcp->fc_tm_flags |= tm_flags;
-}
-
-/**
* zfcp_fc_evap_fcp_rsp - evaluate FCP RSP IU and update scsi_cmnd accordingly
* @fcp_rsp: FCP RSP IU to evaluate
* @scsi: SCSI command where to update status and sense buffer
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 60ff9d172c7..a0e05ef6592 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -18,6 +18,8 @@
#include "zfcp_qdio.h"
#include "zfcp_reqlist.h"
+struct kmem_cache *zfcp_fsf_qtcb_cache;
+
static void zfcp_fsf_request_timeout_handler(unsigned long data)
{
struct zfcp_adapter *adapter = (struct zfcp_adapter *) data;
@@ -83,7 +85,7 @@ void zfcp_fsf_req_free(struct zfcp_fsf_req *req)
}
if (likely(req->qtcb))
- kmem_cache_free(zfcp_data.qtcb_cache, req->qtcb);
+ kmem_cache_free(zfcp_fsf_qtcb_cache, req->qtcb);
kfree(req);
}
@@ -212,7 +214,7 @@ static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req)
if (req->status & ZFCP_STATUS_FSFREQ_DISMISSED) {
zfcp_dbf_hba_fsf_uss("fssrh_1", req);
- mempool_free(sr_buf, adapter->pool.status_read_data);
+ mempool_free(virt_to_page(sr_buf), adapter->pool.sr_data);
zfcp_fsf_req_free(req);
return;
}
@@ -265,7 +267,7 @@ static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req)
break;
}
- mempool_free(sr_buf, adapter->pool.status_read_data);
+ mempool_free(virt_to_page(sr_buf), adapter->pool.sr_data);
zfcp_fsf_req_free(req);
atomic_inc(&adapter->stat_miss);
@@ -628,7 +630,7 @@ static struct fsf_qtcb *zfcp_qtcb_alloc(mempool_t *pool)
if (likely(pool))
qtcb = mempool_alloc(pool, GFP_ATOMIC);
else
- qtcb = kmem_cache_alloc(zfcp_data.qtcb_cache, GFP_ATOMIC);
+ qtcb = kmem_cache_alloc(zfcp_fsf_qtcb_cache, GFP_ATOMIC);
if (unlikely(!qtcb))
return NULL;
@@ -723,6 +725,7 @@ int zfcp_fsf_status_read(struct zfcp_qdio *qdio)
struct zfcp_adapter *adapter = qdio->adapter;
struct zfcp_fsf_req *req;
struct fsf_status_read_buffer *sr_buf;
+ struct page *page;
int retval = -EIO;
spin_lock_irq(&qdio->req_q_lock);
@@ -736,11 +739,12 @@ int zfcp_fsf_status_read(struct zfcp_qdio *qdio)
goto out;
}
- sr_buf = mempool_alloc(adapter->pool.status_read_data, GFP_ATOMIC);
- if (!sr_buf) {
+ page = mempool_alloc(adapter->pool.sr_data, GFP_ATOMIC);
+ if (!page) {
retval = -ENOMEM;
goto failed_buf;
}
+ sr_buf = page_address(page);
memset(sr_buf, 0, sizeof(*sr_buf));
req->data = sr_buf;
@@ -755,7 +759,7 @@ int zfcp_fsf_status_read(struct zfcp_qdio *qdio)
failed_req_send:
req->data = NULL;
- mempool_free(sr_buf, adapter->pool.status_read_data);
+ mempool_free(virt_to_page(sr_buf), adapter->pool.sr_data);
failed_buf:
zfcp_dbf_hba_fsf_uss("fssr__1", req);
zfcp_fsf_req_free(req);
@@ -1552,7 +1556,7 @@ int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port)
SBAL_FLAGS0_TYPE_READ,
qdio->adapter->pool.erp_req);
- if (unlikely(IS_ERR(req))) {
+ if (IS_ERR(req)) {
retval = PTR_ERR(req);
goto out;
}
@@ -1605,7 +1609,7 @@ int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port)
SBAL_FLAGS0_TYPE_READ,
qdio->adapter->pool.erp_req);
- if (unlikely(IS_ERR(req))) {
+ if (IS_ERR(req)) {
retval = PTR_ERR(req);
goto out;
}
@@ -2206,7 +2210,7 @@ int zfcp_fsf_fcp_cmnd(struct scsi_cmnd *scsi_cmnd)
zfcp_fsf_set_data_dir(scsi_cmnd, &io->data_direction);
fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd;
- zfcp_fc_scsi_to_fcp(fcp_cmnd, scsi_cmnd);
+ zfcp_fc_scsi_to_fcp(fcp_cmnd, scsi_cmnd, 0);
if (scsi_prot_sg_count(scsi_cmnd)) {
zfcp_qdio_set_data_div(qdio, &req->qdio_req,
@@ -2284,7 +2288,6 @@ struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *scmnd,
goto out;
}
- req->status |= ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT;
req->data = scmnd;
req->handler = zfcp_fsf_fcp_task_mgmt_handler;
req->qtcb->header.lun_handle = zfcp_sdev->lun_handle;
@@ -2296,7 +2299,7 @@ struct zfcp_fsf_req *zfcp_fsf_fcp_task_mgmt(struct scsi_cmnd *scmnd,
zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd;
- zfcp_fc_fcp_tm(fcp_cmnd, scmnd->device, tm_flags);
+ zfcp_fc_scsi_to_fcp(fcp_cmnd, scmnd, tm_flags);
zfcp_fsf_start_timer(req, ZFCP_SCSI_ER_TIMEOUT);
if (!zfcp_fsf_req_send(req))
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index ddb5800823a..2a4991d6d4d 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -292,7 +292,37 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
return SUCCESS;
}
-int zfcp_adapter_scsi_register(struct zfcp_adapter *adapter)
+struct scsi_transport_template *zfcp_scsi_transport_template;
+
+static struct scsi_host_template zfcp_scsi_host_template = {
+ .module = THIS_MODULE,
+ .name = "zfcp",
+ .queuecommand = zfcp_scsi_queuecommand,
+ .eh_abort_handler = zfcp_scsi_eh_abort_handler,
+ .eh_device_reset_handler = zfcp_scsi_eh_device_reset_handler,
+ .eh_target_reset_handler = zfcp_scsi_eh_target_reset_handler,
+ .eh_host_reset_handler = zfcp_scsi_eh_host_reset_handler,
+ .slave_alloc = zfcp_scsi_slave_alloc,
+ .slave_configure = zfcp_scsi_slave_configure,
+ .slave_destroy = zfcp_scsi_slave_destroy,
+ .change_queue_depth = zfcp_scsi_change_queue_depth,
+ .proc_name = "zfcp",
+ .can_queue = 4096,
+ .this_id = -1,
+ .sg_tablesize = ZFCP_QDIO_MAX_SBALES_PER_REQ,
+ .max_sectors = (ZFCP_QDIO_MAX_SBALES_PER_REQ * 8),
+ .dma_boundary = ZFCP_QDIO_SBALE_LEN - 1,
+ .cmd_per_lun = 1,
+ .use_clustering = 1,
+ .shost_attrs = zfcp_sysfs_shost_attrs,
+ .sdev_attrs = zfcp_sysfs_sdev_attrs,
+};
+
+/**
+ * zfcp_scsi_adapter_register - Register SCSI and FC host with SCSI midlayer
+ * @adapter: The zfcp adapter to register with the SCSI midlayer
+ */
+int zfcp_scsi_adapter_register(struct zfcp_adapter *adapter)
{
struct ccw_dev_id dev_id;
@@ -301,7 +331,7 @@ int zfcp_adapter_scsi_register(struct zfcp_adapter *adapter)
ccw_device_get_id(adapter->ccw_device, &dev_id);
/* register adapter as SCSI host with mid layer of SCSI stack */
- adapter->scsi_host = scsi_host_alloc(&zfcp_data.scsi_host_template,
+ adapter->scsi_host = scsi_host_alloc(&zfcp_scsi_host_template,
sizeof (struct zfcp_adapter *));
if (!adapter->scsi_host) {
dev_err(&adapter->ccw_device->dev,
@@ -316,7 +346,7 @@ int zfcp_adapter_scsi_register(struct zfcp_adapter *adapter)
adapter->scsi_host->max_channel = 0;
adapter->scsi_host->unique_id = dev_id.devno;
adapter->scsi_host->max_cmd_len = 16; /* in struct fcp_cmnd */
- adapter->scsi_host->transportt = zfcp_data.scsi_transport_template;
+ adapter->scsi_host->transportt = zfcp_scsi_transport_template;
adapter->scsi_host->hostdata[0] = (unsigned long) adapter;
@@ -328,7 +358,11 @@ int zfcp_adapter_scsi_register(struct zfcp_adapter *adapter)
return 0;
}
-void zfcp_adapter_scsi_unregister(struct zfcp_adapter *adapter)
+/**
+ * zfcp_scsi_adapter_unregister - Unregister SCSI and FC host from SCSI midlayer
+ * @adapter: The zfcp adapter to unregister.
+ */
+void zfcp_scsi_adapter_unregister(struct zfcp_adapter *adapter)
{
struct Scsi_Host *shost;
struct zfcp_port *port;
@@ -346,8 +380,6 @@ void zfcp_adapter_scsi_unregister(struct zfcp_adapter *adapter)
scsi_remove_host(shost);
scsi_host_put(shost);
adapter->scsi_host = NULL;
-
- return;
}
static struct fc_host_statistics*
@@ -688,33 +720,8 @@ struct fc_function_template zfcp_transport_functions = {
/* no functions registered for following dynamic attributes but
directly set by LLDD */
.show_host_port_type = 1,
+ .show_host_symbolic_name = 1,
.show_host_speed = 1,
.show_host_port_id = 1,
.dd_bsg_size = sizeof(struct zfcp_fsf_ct_els),
};
-
-struct zfcp_data zfcp_data = {
- .scsi_host_template = {
- .name = "zfcp",
- .module = THIS_MODULE,
- .proc_name = "zfcp",
- .change_queue_depth = zfcp_scsi_change_queue_depth,
- .slave_alloc = zfcp_scsi_slave_alloc,
- .slave_configure = zfcp_scsi_slave_configure,
- .slave_destroy = zfcp_scsi_slave_destroy,
- .queuecommand = zfcp_scsi_queuecommand,
- .eh_abort_handler = zfcp_scsi_eh_abort_handler,
- .eh_device_reset_handler = zfcp_scsi_eh_device_reset_handler,
- .eh_target_reset_handler = zfcp_scsi_eh_target_reset_handler,
- .eh_host_reset_handler = zfcp_scsi_eh_host_reset_handler,
- .can_queue = 4096,
- .this_id = -1,
- .sg_tablesize = ZFCP_QDIO_MAX_SBALES_PER_REQ,
- .cmd_per_lun = 1,
- .use_clustering = 1,
- .sdev_attrs = zfcp_sysfs_sdev_attrs,
- .max_sectors = (ZFCP_QDIO_MAX_SBALES_PER_REQ * 8),
- .dma_boundary = ZFCP_QDIO_SBALE_LEN - 1,
- .shost_attrs = zfcp_sysfs_shost_attrs,
- },
-};
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-24 19:05:14 +0000